Embedded Software Engineer

🕒 Abril 21

🍂 Massachusetts – Remoto

🍂 Massachusetts – Remote

⏰ Tempo Integral

🟡 Pleno

🟠 Sênior

🧑‍💻 Engenheiro Full-stack

🦅 Patrocina Visto H1B

Esta empresa já patrocinou vistos H1B no passado.

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Ciena

SiteLinkedInTodas as Vagas

5001 - 10000 funcionários

Fundada em 1985

📡 Telecomunicações

🔧 Hardware

💰 Series C em 1995-12

Telecommunications • Hardware • Networking

A Ciena (NYSE:CIEN) é líder global em sistemas óticos e de roteamento, serviços e software de automação. Construímos as redes mais adaptáveis do mundo para atender à demanda digital crescente por experiências mais conectadas e enriquecedoras para todos os usuários. Por mais de três décadas, trouxemos nossa inerente sensibilidade humana para a nossa incessante busca por inovação. Priorizamos relações colaborativas profundas dentro de nossas equipes, e ao lado de nossos clientes, parceiros e comunidades—locais e globais.

Descrição

• Develop and maintain embedded Linux firmware on OpenWrt based ONU systems. • Implement and extend PON subsystem software: XGS-PON registration, OMCI agent, eOMCI, Active-Active coordination, and MIB synchronization. • Integrate and configure the Ethernet switching subsystems on Ciena hardware, VLAN operations, port management, QoS (traffic classification, scheduling, shaping), and LACP. • Develop U-Boot bootloader extensions, firmware upgrade flows, and firmware version management. • Implement and maintain security features: TPM 2.0 integration, Secure Boot, OMCI-level PON encryption. • Write and maintain OpenWrt package Makefiles, custom feeds, and build scripts. • Develop and apply patches to the OpenWrt/prplOS base for platform-specific capabilities. • Participate in code review, write unit and integration tests, and debug issues from lab bring-up through field deployment. • Maintain technical documentation and component-level design notes.

🎯 Requisitos

• Bachelor's or Master's degree in Computer Engineering, Electrical Engineering, Computer Science, or a closely related field. • 3–5 years of relevant professional experience in embedded software or firmware development. • Proficient in C for embedded/systems programming; familiarity with C++ a plus. • Hands-on experience with embedded Linux (kernel drivers, device trees, init systems, cross-compilation). • Familiarity with OpenWrt or a comparable embedded Linux build system (Yocto, Buildroot). • Working knowledge of networking fundamentals: Ethernet, VLANs, QoS, LACP, TCP/IP. • Experience with bootloaders (U-Boot preferred) and firmware lifecycle management • Comfortable using Git, Make, and Linux command-line toolchains.

🏖️ Benefícios

• medical, dental, and vision plans • participation in 401(K) (USA) & DCPP (Canada) with company matching • Employee Stock Purchase Program (ESPP) • Employee Assistance Program (EAP) • company-paid holidays • paid sick leave • vacation time • comply with all applicable laws regarding Paid Family Leave and other leaves of absence